Hello.


Try to follow the manual. At first you should perfrom an upgrade to 4.0. 

If everything is Ok - then move to 4.1. See:

  http://dev.mysql.com/doc/mysql/en/upgrading-from-3-23.html

  http://dev.mysql.com/doc/mysql/en/upgrading-from-4-0.html





 > Yes. I tried. The result is all Chinese words were turned into

 > unrecognized characters.



Have a look here:

   http://dev.mysql.com/doc/mysql/en/charset-upgrading.html





Chenzhou Cui wrote:

> 

> 

> YL wrote:

> 

>> Did you tried just copy those 3.23 files into a newly installed 4.1 data

>> folder? What's happen?

>>  

>>

> 

> Yes. I tried. The result is all Chinese words were turned into 

> unrecognized characters.

> In my system, there are tens of databases, which include thousands of 

> tables. A very large system, I feel.

> 

>> ----- Original Message ----- From: "Chenzhou Cui" <[EMAIL PROTECTED]>

>> To: <mysql@lists.mysql.com>

>> Sent: Friday, September 23, 2005 12:40 AM

>> Subject: MySQL upgrade from 3.x to 4.1 for Chinese databases

>>

>>

>>  

>>

>>> Dear all,

>>>

>>> On my server there are thousands of database files contenting Chinese

>>> records. The total data volumn is over 20GB. Is there an easy way to

>>> upgrade the whole system from MySQL 3.23.x to 4.1.x?

>>>

>>> "mysqldump" is NOT a good way for me. It will be a hard and time costing

>>> work. Is it possible to directly use the binary db files, "*.frm",

>>> "*.MYI", "*.MYD", and keep the Chinese support? This is a very big and

>>> important problem facing many Chinese users.

>>>

>>> cheers,

>>> Chenzhou

>>>

>>> -- 



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